BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 144 52.4%
2 United States 58 21.1%
3 Germany 30 10.9%
4 Netherlands 22 8%
5 Russia 3 1.1%
6 Singapore 2 0.7%
7 Slovakia 2 0.7%
8 Poland 2 0.7%
9 Australia 2 0.7%
10 Brazil 2 0.7%
11 Canada 2 0.7%
12 Hong Kong 2 0.7%
13 Iraq 2 0.7%
14 Ireland 1 0.4%
15 Japan 1 0.4%